As we have a custom title screen - Why not a custom song
The song should be a alteration on the RCT2 song
The only one I had in mind would be https://youtu.be/tvD2cXa4KJM which is a remix off the RCT2 song
I don't think that's possible without getting permission from Atari/Chris Sawyer/Allister Brimble, whoever holds the rights.
You can replace CSS17 yourself if you want to do this.
@IntelOrca Indeed, which I did, but thought it as a default thing
Make an issue here:
Maybe, in some distant future, someone or even I can make a custom theme song.